OFFSET
1,5
LINKS
M. F. Hasler and Amiram Eldar, Table of n, a(n) for n = 1..143 (terms 1..112 from M. F. Hasler)
W. Nissen, np ( n ) = n^n + (n+1)^(n+1) — 2 prominent questions, Oct 02 2012.
W. Nissen, Prime factors of np ( n ) = n^n + (n+1)^(n+1), Up for the Count.
MAPLE
A217435:=n->numtheory[bigomega](n^n+(n-1)^(n-1)): seq(A217435(n), n=1..30); # Wesley Ivan Hurt, Jan 27 2017
MATHEMATICA
Join[{1}, Table[PrimeOmega[n^n + (n-1)^(n-1)], {n, 2, 30}]] (* Amiram Eldar, Feb 24 2020 *)
Join[{1}, PrimeOmega[Total/@Partition[#^#&/@Range[30], 2, 1]]] (* Harvey P. Dale, Oct 02 2021 *)
PROG
(PARI) for(n=1, 999, print1(bigomega((n-1)^(n-1)+n^n)", "))
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
M. F. Hasler, Oct 02 2012
EXTENSIONS
Data beyond a(49) from W. Nissen's web site.
STATUS
approved